Ubuntu, being a popular Linux distribution, offers a variety of ways to manage and monitor connected devices. One of the essential tasks for any user is to keep track of the USB devices connected to their system. In this article, we will explore the methods to list all connected USB devices on Ubuntu.

Using the lsusb Command

The lsusb command is a straightforward way to list all connected USB devices on Ubuntu. This command is available by default in the Ubuntu terminal, and it provides a comprehensive list of all USB devices, including their device names, IDs, and descriptions.

To use the lsusb command, follow these steps:

1. Open the Ubuntu terminal by pressing Ctrl+Alt+T or by searching for "Terminal" in the Dash.


2. Type lsusb in the terminal and press Enter.


3. The terminal will display a list of all connected USB devices, including their device names, IDs, and descriptions.

The lsusb command provides a detailed output, which includes the following information:

• Bus: The bus number of the USB device.


• Device: The device number of the USB device.


• ID: The vendor and product ID of the USB device.


• Description: A brief description of the USB device.

Using the usb-devices Command

Another way to list all connected USB devices on Ubuntu is by using the usb-devices command. This command provides a more detailed output than the lsusb command and includes information such as the device's path, speed, and power usage.

To use the usb-devices command, follow these steps:

1. Open the Ubuntu terminal by pressing Ctrl+Alt+T or by searching for "Terminal" in the Dash.


2. Type usb-devices in the terminal and press Enter.


3. The terminal will display a detailed list of all connected USB devices, including their device paths, speeds, and power usage.

Using the udevadm Command

The udevadm command is a more advanced way to list all connected USB devices on Ubuntu. This command provides a detailed output, which includes information such as the device's path, subsystem, and driver.

To use the udevadm command, follow these steps:

1. Open the Ubuntu terminal by pressing Ctrl+Alt+T or by searching for "Terminal" in the Dash.


2. Type udevadm info -q path -n /dev/bus/usb/* in the terminal and press Enter.


3. The terminal will display a detailed list of all connected USB devices, including their device paths, subsystems, and drivers.

Conclusion

In conclusion, listing all connected USB devices on Ubuntu is a straightforward process that can be achieved using various commands, including lsusb, usb-devices, and udevadm. These commands provide a comprehensive list of all connected USB devices, including their device names, IDs, and descriptions. By using these commands, users can easily monitor and manage their USB devices on Ubuntu.

As mentioned in the article from commands.page, the lsusb command is the most commonly used method to list all connected USB devices on Ubuntu. However, the usb-devices and udevadm commands provide more detailed output and can be useful for advanced users who require more information about their USB devices.

Overall, Ubuntu provides a range of tools and commands to manage and monitor connected devices, making it a popular choice among users who require a high degree of control over their system.